//
// Created by 束庆乐 on 2024/12/24.
//
#include "stdio.h"
extern void greate();
int main51(){
    greate();
    int arr[3] = {1,2,3};
    int* ptr = arr;
    printf("sizeof(arr) == %zu 字节\n",sizeof(arr));
    printf("sizeof(ptr) == %zu 字节\n",sizeof(ptr));
//    arr = ptr;
    ptr = &arr[1];
    printf("ptr==%d\n",* ptr);
    return 0;
}

void greate(){
    printf("ni hao");
}